Optical scanner



FIG. 1 is a top, front, left side perspective view of an optical scanner showing my new design;

FIG. 2 is an enlarged front elevational view thereof;

FIG. 3 is an enlarged right side elevational view thereof;

FIG. 4 is an enlarged rear elevational view thereof;

FIG. 5 is an enlarged bottom plan view thereof;

FIG. 6 is an enlarged left side elevational view thereof; and,

FIG. 7 is an enlarged top plan view thereof.

The broken line drawings of a hand and a hand strap in the drawing disclosure are for illustrative purposes only and form no part of the claimed design. The broken line drawing of a hand strap in FIGS. 5 and 7 is partially shown for clarity of illustration. 

The ornamental design for a optical scanner, as shown and described. 